States-Municipalities Join Big EPA Suit Over Repeal of Climate Harm Finding
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Coalition of 24 states, 10 cities and five counties sued federal agency in US court to reverse repeal of core scientific basis to regulate greenhouse gas emissions from vehicles, power plants and other sources—with battle headed for US Supreme Court..
NewsProjectsEnvironmentGovernmentRisk Legal States-Municipalities Join Big EPA Suit Over Repeal of Climate Harm Finding By ENR Editors Alex Star/Getty Images Coalition of 23 state attorneys general, 10 cities, five counties and Pennsylvania Gov. Josh Shapiro (D) filed suit on March 19 in DC federal appeals court, to reverse EPA repeal of the endangerment finding, claiming it is an illegal move against a core scientific principle. March 24, 2026 A coalition of 23 state attorneys general, 10 cities, five counties and Pennsylvania Gov. Josh Shapiro (D) filed suit on March 19 in federal appeals court in Washington, D.C., against the U.S. Environmental Protection Agency final rule last month that repealed the endangerment finding, the 2009 scientific basis to regulate harmful greenhouse gas emissions from vehicles, power plants and other sources. The suit says the rule is illegal, with the U.S. Supreme Court paving the way for the finding in a 2007 ruling. The repeal eliminates all greenhouse gas emissions standards for vehicles and could generate more changes in climate change-related air emissions regulations for stationary sources such as power plants and oil and gas facilities, and in the types of infrastructure projects that are permitted, funded and built. . EPA announced its final rule to rescind the finding on Feb. 12. "By trying to roll back protections that keep pollution out of the air we breathe, the Trump Administration is once again throwing science out the wind...
